Home / 179,111.70-268,840.35-90,465.30

Finding the Fourth Proportional to 179,111.70, 268,840.35 and 90,465.30

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Solution

The fourth proportional to 179,111.70, 268,840.35 and 90,465.30 is: 135,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,111.70 : 268,840.35 = 90,465.30 : x
  2. Step 2: Convert to fraction form
    179,111.70/268,840.35 = 90,465.30/x
  3. Step 3: Cross multiply
    179,111.70x = 268,840.35 × 90,465.30
  4. Step 4: Simplify right side
    179,111.70x = 24,320,722,914.86
  5. Step 5: Solve for x
    x = 24,320,722,914.86/179,111.70
  6. Step 6: Final answer
    x = 135,785.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.